<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			* {
				padding: 0px;
				margin: 0px;
				box-sizing: border-box;
			}
			
			div {
				width: 100px;
				height: 100px;
			}
			
			.div1 {
				background-color: red;
				position: relative;
				top: 5px;
				left: 10px;
			}
			
			.div2 {
				background-color: blue;
			}
		</style>
	</head>
	<body>
		<div class="div1">div1</div>
		<div class="div2">div2</div>
	</body>
</html>